lua has not implemented sys.net.Socket yet

tests/sys/src/Main.hx

@@ -9,7 +9,9 @@ class Main {
 		runner.addCase(new io.TestFile());
 		runner.addCase(new io.TestFileInput());
 		runner.addCase(new io.TestProcess());
+		#if !lua
 		runner.addCase(new net.TestSocket());
+		#end
 		Report.create(runner);
 		runner.run();
 	}